This is a substance painter stamp tool. It can be used for texturing garments and adding buttons to that garment without any polygon addition.

Simply you need to load it in substance painter and stamp it at desired position and export the maps. It will export the maps according to the garment UV. Once you have the exported map load the maps in the final substance file to achieve the same quality Rivet at the desired place.

Maps:

4096*4096 Occlusion Map

4096*4096 Normal Map

4096*4096 Mask Map

Geometry: additionally geometry is also provided for your convenience in ".FBX format". So if you want a higher resolution map you can bake them easily using the given geometry.

Note: If the “.SPPR” file doesn’t work on your substance painter then you can easily create the new “.SPPR” using those high-quality maps.

Geometry: Included

Normal Map: Yes

AO Map: Yes

Mask: Yes

Maps file format: JPEG

Geometry file Format: FBX

Substance Tool: SPPR

Tutorial https://youtu.be/ZOgNFprbjU4